CN218528575U - Chair armrest structure for bathing - Google Patents

Abstract

The utility model discloses a bathing chair handrail structure, including chair frame subassembly, seat support and the back of the chair, chair frame subassembly is formed by front foot and back foot articulated, the articulated department of front foot and back foot is equipped with handrail subassembly, handrail subassembly includes pivot joint portion, handrail steelframe, handrail cover, spacing support, T type flange bush, pivot joint portion is the pivot support that sets up at the back foot top, handrail steelframe connects on the pivot support and with coaxial the hinge of front foot, spacing support inlays the dress between pivot support and front foot, T type flange bush sets up between pivot support and handrail steelframe; the technical problems that the structure of the existing bathing chair armrest is complex, the existing bathing chair armrest is not easy to detach and clean, and the existing bathing chair armrest can be directly turned over due to the action of gravity in the turning process, so that impact is generated on a chair frame and a supporting part, and the service life of the existing bathing chair armrest is influenced are solved.

Description

Chair armrest structure for bathing

Technical Field

The utility model relates to a bathing is assisted utensil and is used bath seat technical field, especially relates to a chair handrail structure of bathing.

Background

The bath chair is used for bathing in a bathroom, and is suitable for the old, pregnant women, disabled people and other people who are inconvenient to move to take a bath or shower for assistance; according to different people, different requirements are designed to be more humanized in details, wherein the armrest structure arranged on the bathing chair is more important and humanized.

For example, chinese patent with publication number CN105725890B discloses a detachable armrest structure for a bathing chair, wherein a chair back tube is provided with a fixing member, the fixing member is connected with an armrest steel frame, a plastic protective sleeve is sleeved at the joint of the armrest steel frame and the fixing member, the armrest steel frame is arranged in an arc structure, and an armrest sleeve is sleeved on the armrest steel frame; also, as disclosed in patent application No. CN113576296a, an armrest structure of a bathing chair is: the handrail component comprises an anti-pinch protective sleeve, a handrail tube and a handrail tube sleeve, the anti-pinch protective sleeve is fixedly arranged at the side end of the front frame, one end of the handrail tube is arranged in the anti-pinch protective sleeve and is movably connected with the anti-pinch protective sleeve through a pin shaft, and the handrail tube sleeve is sleeved outside the handrail tube; the toilet bowl has good protection and supporting effects on a user, and can be disassembled for cleaning or replacement and is convenient to maintain.

However, the handrail structure is complex in structure, the handrail sleeves are of an integrated sleeving structure, installation and disassembly are complex and inconvenient, and the handrail, the chair frame and the supporting position are impacted due to direct falling of the handrail sleeve under the action of gravity in the process of lifting and lowering the handrail sleeve, so that adverse consequences can be caused on the handrail and the chair frame in the past.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art bath chair handrail structure complicacy, be difficult for dismantling the washing, and turn over the in-process and directly turn over because the action of gravity can fall to produce the impact to handrail, chair frame and support department, influence life's technical problem.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The utility model relates to a bathing chair armrest structure, including chair frame subassembly, seat support and the back of the chair, the chair frame subassembly is formed by preceding foot and back foot are articulated, preceding foot is equipped with armrest assembly with the articulated department of back foot, armrest assembly includes pivot connection portion, handrail steelframe and handrail cover, pivot connection portion supports and the pivot support of pivot connection preceding foot for setting up at back foot top, preceding foot setting is in the pivot support and through bolted connection, the handrail steelframe is connected in the pivot support outside, armrest assembly is still including setting up the buffer structure between pivot support and handrail steelframe, buffer structure includes spacing support and T type flange bush.

The further improvement lies in that: the pivoting support is of a groove structure with an opening at the upper part, and pivot holes are symmetrically formed in two sides of the pivoting support and are in pivoting connection with the front foot through bolts.

The further improvement lies in that: the upper surface of the limiting support is provided with an outward protruding structure, the outward protruding structure is provided with a limiting groove, and the armrest positioning rod is arranged on the armrest steel frame in a matching mode.

The further improvement lies in that: the T-shaped flange bushing is arranged on the bolt and arranged between the pivoting support and the handrail steel frame, the T-shaped flange bushing is provided with a columnar body and an outward-turning flange surface, the columnar body is sleeved on the bolt and penetrates through the pivoting support and the front foot together with the bolt, the outward-turning flange surface is arranged between the pivoting support and the handrail steel frame, and the T-shaped flange bushing is provided with 2 symmetrical parts which are arranged on the outer side of the pivoting support.

The further improvement lies in that: the T-shaped flange bushing is of a plastic integrated forming structure.

The further improvement lies in that: the handrail steel frame is set to be an arc-shaped cavity structure with an opening at the lower end, the rear end of the handrail steel frame is provided with a symmetrical arc-shaped structure, the pivoting connection cover is arranged on the outer side of the pivoting support, the handrail positioning rod and the limiting support are arranged in front of the arc-shaped structure and supported in an abutting mode, the upper end of the arc-shaped structure is provided with a yielding groove, and a bending fixing portion is arranged below the front end of the handrail steel frame and fixedly connected with the handrail sleeve through screws.

The further improvement is that: the handrail sleeve is of a structure with a cavity with an opening at the lower end, is matched with the handrail steel frame and is detachably fixed outside, and the tail end of the handrail sleeve is provided with a hand-holding bulge.

The further improvement is that: the handrail steelframe is panel beating integrated into one piece structure, the handrail cover is mould proof EVA material foaming integrated into one piece structure.

Compared with the prior art, the utility model discloses an have following beneficial effect:

1. the armrest steel frame is arranged on the pivoting support of the pivoting connection part, a transition structure does not need to be specially assembled, the armrest steel frame and the chair frame component are directly and sequentially sleeved and pivoted through bolts to form a whole, the armrest connection structure is simplified, the structure is simple, the rotation is flexible, the connection is firm and reliable, a limiting support of a buffer structure and a T-shaped flange bushing are arranged between the pivoting support and the armrest steel frame, the impact force generated when the armrest component falls under the action of gravity can be buffered, the direct impact on the chair frame component and the support part is reduced, and the service life is prolonged;

2. the armrest steel frame is provided with the armrest positioning rod and the limit support abutting support embedded between the pivoting support and the front foot, when the bathing chair and the armrest component are in an unfolded state, the armrest plays a role in supporting and limiting the armrest, the armrest component falls to the limit support attached to the surface of the front foot, impact force on the front foot and a joint is relieved, meanwhile, the installation gap between the pivoting support and the front foot is adjusted, abrasion caused by direct friction of the pivoting support and the front foot is effectively prevented, and the service life is prolonged;

3. the T-shaped flange bushing is arranged between the pivoting support and the armrest steel frame and sleeved on the bolt to be arranged on the pivoting support and the front foot in a penetrating manner, so that direct contact among the bolt, the pivoting support and the armrest steel frame is avoided, abrasion caused by direct friction is reduced, meanwhile, the bolt is fixed on the outer side of the arc-shaped structure of the armrest steel frame, when the armrest steel frame rotates, certain friction resistance is generated due to the fact that the T-shaped flange bushing is lined between the pivoting support and the armrest steel frame, the armrest can overcome the action of gravity, the armrest rotates to stay at any position without falling, impact on a chair frame assembly and a supporting part is reduced, and the service life is prolonged;

4. the pivoting support is of a groove structure with an opening at the upper part, and the front foot is arranged in the pivoting groove structure, so that the pivoting support stress point is in the center of the front frame pipe body and the rear frame pipe body, the stress is balanced and uniform, and the pivoting support has a supporting function on the front foot; the structure is simple and firm, and the adaptability is strong;

5. the handrail steel frame is designed into a cavity structure with an opening on the lower end face, the effect of shielding the pivot connection part is attractive, the abdication groove part is arranged on the handrail steel frame, the interference and the hand clamping between the upward rotation of the handrail component and the front foot are effectively avoided, the handrail positioning rod is arranged to be abutted and supported by the limiting support, the assistance supporting effect is achieved on the handrail steel frame, and the design is reasonable and more humanized; the handrail sleeve and the handrail steel frame are matched, detachably and fixedly, so that the handrail sleeve is convenient to install and detach, and is convenient to maintain and clean; the mould-proof EVA material foaming forming structure avoids the skin of a human body from directly contacting the handrail steel frame, particularly does not have cold feeling in cold winter, is soft and comfortable in body feeling, is more humanized in arrangement, increases the mould-proof agent, and is sanitary and healthy when being placed in a humid environment for a long time; the tail end of the handrail sleeve is provided with a hand holding bulge, so that the handrail is not easy to slip to cause accidents when being held by a hand.

The utility model has the advantages of simple structure and reasonable design hommization, be convenient for installation and maintenance, the action of gravity can be overcome to the handrail subassembly, rotates and stops not whereabouts in the optional position, has reduced the impact to chair frame subassembly and supporting part, has prolonged life, uses safe and comfortable, sanitary healthy.

Drawings

Fig. 1 is a schematic perspective exploded view of the armrest assembly of the present invention.

Figure 2 is a cross-sectional view of a side rail assembly of the present invention.

Fig. 3 is an enlarged perspective view of the folded state of the present invention.

Fig. 4 is a perspective view of the pivot bracket and the limit support of the present invention.

Fig. 5 is a perspective view of the limiting support of the present invention.

Fig. 6 is a perspective view of the T-shaped flange bushing of the present invention.

Fig. 7 is a perspective view of the handrail steel frame of the present invention.

Fig. 8 is a perspective view of the other side of the handrail steel frame of the utility model.

The attached drawings are as follows:

a chair frame component 1, a front foot 11, a rear foot 12, a chair seat 2, a chair back 3, a pivoting bracket 4, a groove structure 41,

the handrail component 5, a handrail steel frame 51, an arc-shaped structure 511, a abdicating groove 512, a bending fixing part 513, a handrail sleeve 52, a bolt 6, a limiting support 7, a through hole 71, a convex structure 72, a limiting groove 73, an arc-shaped structure 74, a T-shaped flange bushing 8, a columnar body 81, an outward flanged surface 82 and a handrail positioning rod 9.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the attached drawings, and this embodiment is only used to explain the present invention, and does not constitute a limitation to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The invention will be described in further detail with reference to the following drawings and examples:

as shown in fig. 1-8, an embodiment of a handrail structure of a bath chair is provided, which includes a chair frame assembly 1, a chair seat 2 and a chair back 3, wherein the chair seat 2 is disposed on the chair frame assembly 1, the chair frame assembly 1 is formed by hinging a front leg 11 and a rear leg 12, the chair back 3 is fixed on the upper portion of the front leg 11, a handrail assembly 5 is disposed at the hinged position of the front leg 11 and the rear leg 12, the handrail assembly 5 includes a pivotal connection portion, a handrail steel frame 51 and a handrail sleeve 52, the pivotal connection portion is a pivotal support 4 disposed at the top of the rear leg 12 and pivotally connected with the front leg 11, the front leg 11 is disposed in the pivotal support 4 and connected through a bolt 6, the handrail steel frame 51 is connected to the outer side of the pivotal support 4, the handrail assembly 5 further includes a buffer structure disposed between the pivotal support 4 and the handrail steel frame 51, the buffer structure is a limit support 7 disposed between the pivotal support 4 and the front leg 11 and a T-shaped flange bushing 8 disposed between the pivotal support 4 and the handrail steel frame 51; the armrest steel frame 51, the T-shaped flange bushing 8, the limit support 7 and the front foot 11 pipe are sequentially sleeved and coaxially and pivotally connected through bolts 6.

The armrest component 5 is pivotally connected to the pivot support 4 of the pivot connection part through the armrest steel frame 51, a transition structure does not need to be specially assembled, the armrest component and the chair frame component 1 are directly sleeved with the pivot connection part through the bolts 6 in sequence to form a whole, the armrest connection structure is simplified, the structure is simple, the rotation is flexible, the limit support 7 and the T-shaped flange bushing 8 which are provided with the buffer structures between the pivot support 4 and the armrest steel frame 51 can buffer the impact force generated when the armrest component 5 falls under the action of gravity, the direct impact on the chair frame component and the support part is reduced, and the service life is prolonged.

More preferably: as shown in fig. 1-5, through holes 71 are symmetrically formed in the limit support 7 and are embedded between the pivot support 4 and the front leg 11, an inner side surface of the limit support 7 is provided with a cambered surface structure 74 which is matched and attached to the surface of the front leg 11, an outer convex structure 72 is arranged on the upper surface of the limit support 7, and a limit groove 73 is formed in the outer convex structure 72 and is matched with the handrail positioning rod 9 arranged on the handrail steel frame 51. The armrest locating lever 9 supports with inlay the spacing support 7 butt that is equipped with between pivot support 4 and front foot 11, when the chair of bathing is in the state of expansion with armrest subassembly 5, play the spacing effect of support to armrest subassembly, armrest subassembly falls to the laminating on the spacing support 7 on front foot 11 surface, alleviated front foot 11 and junction impact strength, adjusted the installation clearance between pivot support 4 and the front foot 11 simultaneously, the effectual wearing and tearing that produce that prevent direct friction between them, service life has been prolonged. Preferably, the limiting support 7 is of a plastic integrated structure; high strength, better buffer, vibration damping and wear resistance.

More preferred embodiment 2:

as shown in fig. 1, 4 and 6, the other structures are as in embodiment 1, except that: the T-shaped flange bushing 8 is provided with a columnar body 81 and an outward-turning flange surface 82, the columnar body 81 is sleeved on the bolt 6 and penetrates through the pivoting support 4 and the front foot 11 together with the bolt 6, the outward-turning flange surface 82 is arranged between the pivoting support 4 and the armrest steel frame 51, and the T-shaped flange bushing 8 is provided with 2 symmetrical parts which are arranged outside the pivoting support 4; the T-shaped flange bushing 8 is of a plastic integrated structure. The T-shaped flange bushing 8 is arranged between the pivoting support 4 and the handrail steel frame 51 and sleeved on the bolt 6 to penetrate through the pivoting support 4 and the front foot 11 together, so that direct contact among the bolt 6, the pivoting support 4 and the handrail steel frame 51 is avoided, abrasion caused by direct friction is reduced, meanwhile, the bolt 6 is fixed on the outer side of the arc-shaped structure 511 of the handrail steel frame 51, when the handrail steel frame 511 rotates, certain friction resistance can be generated due to the fact that the T-shaped flange bushing 8 is padded between the pivoting support 4 and the handrail steel frame 51, the handrail can overcome the action of gravity, the handrail can rotate and stay at any position without falling, impact on a chair frame component and a supporting portion is reduced, and the service life is prolonged.

More preferred embodiment 3:

as shown in fig. 1-4, the pivot bracket 4 is provided with a groove structure 41 with an open upper portion, and pivot holes are symmetrically formed on two sides of the pivot bracket 4 and are pivotally connected with the front leg 11 through bolts 6; forefoot 11 is disposed within pivot groove structure 41; the pivot support stress point of the structure is in the central position of the front frame pipe body and the rear frame pipe body, the stress is balanced and uniform, and the pivot support stress point has a support effect on the front foot 11; the pivoting support 4 and the rear frame 12 can be welded and fixed, or a pipe sleeve is welded at the lower end of the pivoting support 4 and is embedded in the rear leg 12 in a matching way, or the pivoting support is sleeved on the rear leg 12, a limiting locking structure can be arranged at the upper end of the rear leg, the structure is simple, and the adaptability is strong. The other structure is the same as that of embodiment 1 or 2.

More preferred example 4: as shown in fig. 1, 2, 3, 7 and 8, the handrail steel frame 51 is an arc-shaped cavity structure with an opening at the lower end, the rear end of the handrail steel frame is provided with a symmetrical arc-shaped structure 511 which is pivotally connected and covered outside the pivoting bracket 4, the handrail positioning rod 9 is arranged in front of the arc-shaped structure 511 and is supported by the limiting support 7 in an abutting mode, the upper end of the arc-shaped structure 511 is provided with a abdicating groove 512, the handrail steel frame 51 does not interfere with the front foot 11 when being pivoted and turned upwards, and a bending fixing part 513 is arranged below the front end of the handrail steel frame 51 and is fixedly connected with the handrail sleeve 52 through screws; the handrail steelframe is established to terminal surface open-ended cavity structure down, has played to shelter from pleasing to the eye effect to pivotal connection portion, is equipped with the groove portion of stepping down on the handrail steelframe 51, and the effectual handrail subassembly 5 of having avoided upwards rotates and produces the interference with preceding foot 11, sets up handrail locating lever 9 and spacing support 7 butt support, plays helping hand supporting role to handrail steelframe 51, reasonable in design and more humanized. Preferably, the handrail steel frame 51 is a metal plate integrally-formed structure, and the handrail positioning rod 9 and the handrail steel frame 51 are welded or riveted, so that the support is firm and reliable; the other structure is the same as embodiment 1 or 2 or 3.

More preferably: the handrail sleeve 52 is of a hollow structure with an opening at the lower end, is matched with the handrail steel frame 51 and is detachably fixed outside, and the tail end of the handrail sleeve 52 is provided with a hand-holding bulge 521; preferably, the glove 52 is a mold-proof EVA material foam integrated structure. The handrail sleeve 52 and the handrail steel frame 51 are matched and detachably fixed outside, so that the installation and the disassembly are convenient, and the maintenance and the cleaning are convenient; the mould-proof EVA material foaming forming structure prevents the skin of a human body from directly contacting the handrail steel frame; the EVA is an ethylene-vinyl acetate copolymer foam molding, the hardness of the molded EVA is controlled to be below 30 Shore-C hardness, the body feels soft and comfortable, particularly, cold feeling does not occur in cold winter, the setting is more humanized, the addition of the mildew inhibitor is realized, and the EVA is sanitary and healthy after being placed in a humid environment for a long time; the tail end of the handrail sleeve is provided with a hand holding bulge, so that the handrail is not easy to slip to cause accidents when being held by a hand.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims (8)

1. The utility model provides a bathing chair armrest structure, includes chair frame subassembly (1), seat support (2) and back of the chair (3), chair frame subassembly (1) is articulated with back foot (12) by preceding foot (11) and forms, preceding foot (11) are equipped with armrest subassembly (5), its characterized in that with articulated department of back foot (12): the armrest component (5) comprises a pivoting connection part, an armrest steel frame (51) and an armrest sleeve (52), the pivoting connection part is a pivoting support (4) which is arranged on the top of a rear foot (12) and is supported and pivotally connected with a front foot (11), the front foot (11) is arranged in the pivoting support (4) and is connected through a bolt (6), the armrest steel frame (51) is connected to the outer side of the pivoting support (4), the armrest component (5) further comprises a buffer structure arranged between the pivoting support (4) and the armrest steel frame (51), and the buffer structure comprises a limiting support (7) and a T-shaped flange bushing (8).

2. The armrest structure for bath chairs according to claim 1, wherein: the pivoting support (4) is provided with a groove structure (41) with an opening at the upper part, and pivot holes are symmetrically formed in two sides of the pivoting support (4) and are in pivot connection with the front foot (11) through bolts (6).

3. The armrest structure for bath chairs according to claim 1, wherein: the novel handrail limiting device is characterized in that through holes (71) are symmetrically formed in the limiting support (7) and are embedded between the pivoting support (4) and the front foot (11), the inner side face of the limiting support (7) is of an arc-shaped structure (74) and is matched and attached with the surface of the front foot (11), an outer convex structure (72) is arranged on the upper surface of the limiting support (7), a limiting groove (73) is formed in the outer convex structure (72), and a handrail positioning rod (9) is arranged on the handrail steel frame (51) in a matched mode.

4. The armrest structure for bath chairs according to claim 1, wherein: the T-shaped flange bushing is sleeved on the bolt (6) and arranged between the pivoting support (4) and the handrail steel frame (51), the T-shaped flange bushing (8) is provided with a columnar body (81) and an outward-turning flange surface (82), the columnar body (81) is sleeved on the bolt (6) and penetrates through the pivoting support (4) and the front foot (11) together with the bolt (6), the outward-turning flange surface (82) is arranged between the pivoting support (4) and the handrail steel frame (51), and 2T-shaped flange bushings (8) are symmetrically arranged on the outer side of the pivoting support (4).

5. The armrest structure for bath chairs according to claim 4, wherein: the T-shaped flange bushing (8) is of a plastic integrated structure.

6. The armrest structure for bath chairs according to claim 1, wherein: the handrail steel frame (51) are set to be an arc-shaped cavity structure with an opening at the lower end, the rear end of the handrail steel frame is provided with a symmetrical arc-shaped structure (511), the pivoting connection cover is arranged on the outer side of the pivoting support (4), a handrail positioning rod (9) and a limiting support (7) are arranged in front of the arc-shaped structure (511) in an abutting mode to support the handrail positioning rod, a yielding groove (512) is formed in the upper end of the arc-shaped structure (511), and a bending fixing portion (513) is arranged below the front end of the handrail steel frame (51) and connected with the handrail sleeve (52) through screw fastening.

7. The armrest structure for bath chairs according to claim 1, wherein: the handrail sleeve (52) is of a cavity structure with an opening at the lower end, is matched with the handrail steel frame (51) and is detachably fixed outside, and a hand-holding protrusion (521) is arranged at the tail end of the handrail sleeve (52).

8. The armrest structure for bath chairs according to claim 7, wherein: the handrail steel frame (51) is a sheet metal integrated molding structure, and the handrail sleeve (52) is a mildew-proof EVA material foaming integrated molding structure.

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